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Pineoblastoma is a malignant tumor of the pineal gland. A pineoblastoma is a supratentorial midline primitive neuroectodermal tumor . [ 2 ] Pineoblastoma can present at any age, but is most common in young children.
In most cases trilateral retinoblastoma presents itself as pineoblastoma (pineal TRb). In about a fourth of the cases the tumor develops in another intracranial region, most commonly supra- or parasellar (non-pineal TRb), but there are reported cases with non-pineal TRb in the 3rd ventricle. In most cases pineal TRb is diagnosed before the age ...
MRI of a patient with anaplastic astrocytoma. The WHO classification of tumours of the central nervous system is a World Health Organization Blue Book that defines, describes and classifies tumours of the central nervous system (CNS).
The pineal gland produces the hormone melatonin which plays a role in regulating circadian rhythms.A pinealoma may disrupt production of this hormone, and insomnia may result.
Neuroblastoma (NB) is a type of cancer that forms in certain types of nerve tissue. [1] It most frequently starts from one of the adrenal glands but can also develop in the head, neck, chest, abdomen, or spine. [1]
Pineocytoma, is a rare, benign, slowly growing tumor of the pineal gland.The pineal gland is a small endocrine gland close to the center of the brain that secretes melatonin into the bloodstream.
Inherited forms of retinoblastomas are more likely to be bilateral. In addition, inherited uni- or bilateral retinoblastomas may be associated with pineoblastoma and other malignant midline supratentorial primitive neuroectodermal tumors (PNETs) with a dismal outcome; retinoblastoma concurrent with a PNET is known as trilateral retinoblastoma. [17]
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